She had great people skills that made you love her all the more. She was secure in the love you gave her. But you could not satisfy her every whim when she wanted attention. The ability to see life through another person's lens (yours) is called maturity. She only saw through her eyes and fabricated a fault in you. She would do it again and again. Are you sure she is not with someone else now? That would make the most sense for her abrupt exit.